{"product_id":"gh-r445-0100-r1-abb-sigma-tronic-synchronizer-module","title":"GH R445 0100 R1 ABB Sigma-tronic Synchronizer Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGH R445 0100 R1 (GHR4450100R1)\u003c\/strong\u003e, also known as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eR 445.1\u003c\/strong\u003e, is a precision synchronizer module from the legacy BBC Brown Boveri Sigma-tronic b system. Engineered as the critical command interface for single and multi-decade up\/down counting systems, this module serves as the primary timing controller for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eR 445.4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eR 445.5\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecounter stages. Its core function is to synchronize asynchronous control signals—such as count, reset, and direction—into a timed sequence that prevents logic race conditions in multi-digit displays. Whether utilized in legacy power plant monitoring or heavy industrial automation, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGH R445 0100 R1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures error-free counting up to 2 kHz, even during high-speed direction switchovers, making it vital for maintaining the integrity of high-precision positioning and measurement data.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGH R445 0100 R1 (R 445.1)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eABB (BBC Brown Boveri)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSigma-tronic b\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCount Frequency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 2000 Hz (2 kHz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Load Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 Loads per output\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 mA (0-signal) to 45 mA (1-signal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDirection Logic\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 = Down, 1 = Up\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Delay (Z Input)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTypical 0.15 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eReset Recovery Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax 0.35 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMechanical Design\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle Width Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIdentification Color\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlue\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the R 445.1 handle counting direction changes at high frequencies?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is designed for \"error-free\" switchover. After a direction change at the VR input, the internal logic pauses pulse processing for approximately 0.5 ms to synchronize all downstream decades. This ensures that no pulses are lost or double-counted during the transition between forward and reverse modes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the RM (Feedback) input?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RM input acts as a mechanical \"stop\" for the counter. By connecting it to the carry output of the most significant decade, you prevent the counter from rolling over. For example, a 3-digit counter will stop at 999 or 000 rather than resetting to zero or jumping to 999. To disable this feature, the RM input must be tied to a 1-signal (+ Us).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require external diodes for inductive loads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The Sigma-tronic b R 445.1 outputs are robustly designed to switch inductive loads without the need for external free-wheeling diodes, simplifying the wiring within the control cabinet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many counting stages can a single synchronizer module control?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe R 445.1 is rated to drive between 1 and 6 up\/down counter decades (R 445.4\/5), providing a maximum display capacity of 999,999.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Synchronization Timing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen designing high-speed control logic, account for the 0.35 ms recovery period required after a Reset (R) or Transfer (ÜS) signal is removed. If a count pulse arrives within this window, it may not be recognized.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterference Decoupling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe Transfer Output (QUS) is often used to supply the \"preselector set\" logic. In complex systems with long wire runs, we recommend implementing interference decoupling or signal amplification at this node to maintain pulse sharp edges and avoid false triggering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInhibit Logic Behavior:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe Inhibit Input (S) can be toggled regardless of the state of the Count Input (Z). However, if an inhibit signal is received while a pulse is currently being processed, the module is engineered to complete that specific pulse cycle before halting, ensuring no \"half-counts\" occur.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52701958603115,"sku":"GHR4450100R1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ghr4450100r1-s3uyhnnelm4_f64a61f2-5fb2-481d-a767-b37f9112d5e9.jpg?v=1766478158","url":"https:\/\/www.plcprotech.com\/products\/gh-r445-0100-r1-abb-sigma-tronic-synchronizer-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}